15853014440231 has 2 divisors, whose sum is σ = 15853014440232. Its totient is φ = 15853014440230.

The previous prime is 15853014440203. The next prime is 15853014440239. The reversal of 15853014440231 is 13204441035851.

15853014440231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15853014440231 - 2³⁸ = 15578136533287 is a prime.

It is a super-2 number, since 2×15853014440231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15853014440239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7926507220115 + 7926507220116.

It is an arithmetic number, because the mean of its divisors is an integer number (7926507220116).

Almost surely, 2^{15853014440231} is an apocalyptic number.

15853014440231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15853014440231 is an equidigital number, since it uses as much as digits as its factorization.

15853014440231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 15853014440231 in words is "fifteen trillion, eight hundred fifty-three billion, fourteen million, four hundred forty thousand, two hundred thirty-one".